Update secured_private_asset_transfer_tutorial.md #3612

Job	Run time
Basic Checks	2m 29s
Unit Tests	12m 0s
Integration Tests (raft)	12m 43s
Integration Tests (pvtdata)	12m 34s
Integration Tests (pvtdatapurge)	6m 41s
Integration Tests (ledger)	14m 0s
Integration Tests (lifecycle)	6m 16s
Integration Tests (e2e smartbft)	26m 33s
Integration Tests (discovery gossip devmode pluggable)	6m 49s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	17m 35s
Integration Tests (sbe nwo msp)	8m 56s
	2h 6m 36s

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